﻿#pragma once

namespace math {
	/*
	* 三维向量
	*/
	class vector3
	{
	private:
		double x;
		double y;
		double z;
	protected:
	public:
		vector3(double x, double y, double z);
		vector3(double* xyz);
		vector3 operator+(vector3 vec);
		vector3 operator-(vector3 vec);
	};
}


